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A contact lens is a thin, curved lens placed on the film of tears that covers the surface of your eye. The lens itself is naturally clear, but is often given the slightest tinge of color to make them easier for wearers to handle
Contact lenses come in various material types, replacement schedules and wear schedules.
There are two general types of contact lenses: hard and soft
The hard lenses most commonly used today are rigid gas permeable lenses. Soft lenses are comfortable and come in many versions, depending on how you want to wear them. Daily-wear lenses are the least expensive, are removed nightly and are replaced on an individualized schedule.
Extended-wear lenses are worn overnight but are removed at least weekly for thorough cleaning and disinfection.
Disposable-wear lenses are more expensive, but convenient. They are removed nightly and replaced on a daily, weekly, biweekly, or monthly basis. Disposable lenses are sometimes recommended for people with allergies
If you want to wear contact lenses to correct your eyesight, you must start by consulting a CL clinic for a fitting.
Fitting includes discussing your visual and lifestyle requirements. An eye and contact lens examination will determine if your eyes are healthy and if you are suitable for lens wear.
Doctor will also take measurements of your eyes to find the best lens type, fit and vision, before trialing lenses with you.
Nowadays, almost everyone can benefit from contact lens wear. Most eyesight problems can be corrected with contact lenses and advances in lens materials and solutions mean that wearing contact lenses is simpler, more convenient and more comfortable than ever before.
Yes. Research has shown that many people who drop out from contact lenses can be successful with modern lenses.
Lens designs and materials are constantly evolving – doctors will explain about the latest developments.
doctor will put contact lenses on your eyes so that you can see how they feel, and will then check the lens fit and your vision. Once you've tried the lenses, you and your practitioner can decide together whether contact lenses are right for you.
We offer a trial so you can take the lenses away with you to see how you get on with them. You'll need to learn how to look after your lenses, put them on the eye and remove them, before you take them away to try. Once you've worn the lenses, you'll need to have the health of your eyes checked and the fitting completed.
Think about when and where you want to wear contact lenses: every day, for going out or playing sport, or just for special occasions.
CL team will help you decide on the best type of lens to suit your needs and advise you how often you should replace them.
No. There are hundreds of different types of contact lenses and thousands of different fittings. Each lens type needs to be fitted to meet your individual requirements.
Contact lenses are not interchangeable and you should never change your lens type or the way you wear your lenses without the recommendation of your practitioner.
With modern lenses, there's no reason why age should be a barrier. Bifocal and multifocal contact lenses are available for those who need different lens powers for distance and close work, or you may want to wear contact lenses for some of the time and spectacles for the rest.
Yes, contact lenses have many advantages for sport because they provide all-round, natural vision, are more stable than spectacles and are not affected by rain, fog or reflections.
Soft contact lenses are generally the best choice for active sports as these tend to move less on the eye compared to rigid gas permeable lenses (RGP) and are less likely to be dislodged. For outdoor sports, your contact lenses can also incorporate protection from ultraviolet (UV) light.
Yes. You'll need to have an up-to-date pair of glasses to wear when you 10.5
Contact lenses provide excellent comfort and vision. Most people find that they are so easy to use that they forget they're wearing them. CL team will help you find the most comfortable lenses for your needs.
Many people are concerned about a lens touching their eyes or putting them on but are still very successful with contact lenses. Try a lens for yourself and see how comfortable it can be. Soft lenses feel much like a drop of water on the eye.
Applying and removing lenses takes some practice but will soon be as natural as brushing your teeth. We will help you get used to handling your lenses and will be on hand to give you advice.
Contact lenses are very unlikely to be dislodged provided you avoid rubbing your eyes. Take care when handling your lenses to ensure they only come into contact with your clean finger and your eye. If they touch any surface other than the lens case you should clean and disinfect them before re-applying
Contact lenses are a very popular and successful way of correcting your vision and problems are thankfully rare. Contact lens-related infections affect only about four in 10,000 wearers per year and vision loss due to infection is less common affecting just six in 100,000 wearers per year
Ask yourself these three questions, each time you wear your lenses: do my eyes feel good with my lenses; do my eyes look good – no redness; and do I see well – no unusual blurring with either eye? If the answer to any of these questions is no, leave your lenses off and consult doctor immediately.
The outer coating of the eye is continuous with the inner coating of the eyelid. If a lens is dislodged from the front of the eye it may settle under the upper or lower lid but cannot go behind the eye. Make sure you remove the lens if it becomes dislodged.
No. In fact some types of contact lens, such as daily disposable soft lenses, are particularly useful if you only want to wear contact lenses part time or occasionally. Ask us for advice on the best type of lens to suit your needs.
Yes. Almost all prescriptions can now be corrected with contact lenses, including astigmatism. Soft lenses, rigid gas permeable lenses and bifocal or multifocal lens designs are all available to correct astigmatism. These lenses are also known as 'toric' lenses.
Yes. There are many convenient options for correcting your eyesight with contact lenses. You may want to have contact lenses for most situations or continue to wear glasses just for reading. Bifocal or multifocal contact lenses allow you to see clearly at various distances.
Yes. Bifocal and multifocal contact soft lenses are available .
There is a normal crystal clear, transparent lens located inside the eye. This crystalline lens gradually starts losing its transparency and become opaque of various grade.
Commonly due to old age-(Senile cataract).
Misuse of steroid tablet or steroid eye drops (steroid induced cataract)
Due to injury with blunt or sharp objects (traumatic cataract)
Infection to the mother at the time of pregnancy leading on to cataract to the new born (congenital cataract)
Eye infections caused by bacteria causing tuberculosis, leprosy etc., and other eye infections causing uveitis leads on to a cataract called complicated cataract.
Other conditions like night blindness, detachment of the retina also can cause complicated cataract.
Most cataracts develop slowly over time and affect people over age of 45 . in rare cases ,infants can have congenital cataracts due to infection in mother during pregnancy.
It could be a pre-senile cataract like premature greying of hair .It could be because of borderline nutritional deficiency in younger individuals.
Mainly due to aging ,other factors contribute for cataract progression are any kind of vitamin deficiency or malnutrition, prolonged exposure to sunlight(UV rays ) can initiate a cataract formation and also cause progression of cataract from one stage to another .
No ,cataract can be treated only by surgery(replacing the natural lens by IOL ).
Gradual decrease in vision
Cloudy,fuzzy,foggy or filmy vision
Haloes,for example seeing shadows around a bright object like vehicle head lights
Experiencing glare especially in night driving
No clarity in vision even with new prescribed glasses
Sometimes experiences double vision
There is hydration of lens fibres in cataract and formation of vacuoles through which when light passes there is diffraction causing photophobia or glare.
In case of penetrating injury, a sharp object pierces the cornea i.e. the black button of the eye, there is also simultaneous injury to the capsule of lens. This capsule is the protective covering of the normal lens. Once it is injured by a sharp object, the lens material also gets injured. It becomes immediately opaque called Traumatic Cataract.
Cataract is diagnosed by dilated comprehensive routine eye check .
Mild cataracts often cause little or no vision problems. Your doctor is probably monitoring your cataract to see if it worsens and more significantly affects your vision or lifestyle before recommending surgery.
Some cataracts never reach the stage where they need to be removed. But if your cataract worsens and you begin to have trouble seeing clearly for driving and other everyday tasks, it's probably time to consider cataract surgery.
The normal lens has got lens fibres. These fibres have a tendency to opacify under situations of low blood sugar levels (hypo glycemia ) or high blood sugar levels (hyper glycemia). In diabetic patients there is a rapid progression of cataract from immature to mature stage. Sometimes there is fluctuation in vision whenever there is fluctuation in the blood sugar levels which causes transient cataract.
When patient starts to experience cloudy ,foggy ,double vision and glasses no longer provides clear vision ,which lead to difficulty in performing daily activities when the cataract becomes matured ,it’s advisable to undergo cataract surgery .
A small incision is made in the front surface of the eye with a scalpel or a laser. A circular hole is then cut in the front of the thin membrane (anterior capsule) that encloses the eye's natural lens. Typically the lens is then broken into smaller pieces with a laser or an ultrasonic device so it can be more easily removed from the eye.
Once the entire lens is removed, it is replaced with a clear implant called an intraocular lens (IOL) to restore vision. In most cases, the eye heals quickly after surgery.
Today, several steps in cataract surgery can be performed with a computer-controlled laser instead of hand-held instruments.
The cost of cataract surgery varies from one doctor to the next; it also depends on the type of procedure and intraocular lens you and your cataract surgery decide is best for your needs.Most of the cataract surgery is covered by insurance.
Experience serious cataract surgery complications. In most cases, complications or side effects from the procedure can be successfully managed with medication or a follow-up procedure.
To reduce your risk for problems after cataract surgery, be sure to follow the instructions your surgeon gives you and report any unusual symptoms immediately.
High definition lens for high clarity eye sight after cataract surgery
Toric lens for patients with cylindrical power
Multi focal lens for patients with vision at all distances, no need for presbyopic glasses
Toric with multi focal for patients with both the above said benefits.
Ultra –premium cataract procedures are also available
Near vision is due to the accommodation power of natural lens.
Accommodation is a mechanism by which eye changes focus distance to near vision produced by change in lens shape.
After the removal of the natural lens in cataract surgery, the artificial lens placed does not accommodate, hence the patient has to be given near vision glasses.
Cataract surgery is different from lasik ( surgery done to correct power of eyes ) .during cataract surgery ,your ophthalmologist remove the cataract lens and replace it with artificial IOL Where else in lasik the black part of the eyes ( cornea ) is corrected to achieve clear vision without glasses .
Presbyopia is a condition most people over the age of 40 experience that results in difficulty seeing up close without the aid of bifocals, trifocals, or reading glasses.
This age‐related condition is believed to be caused by a hardening of the lens inside the eye, making it difficult for the eye muscles to focus.
This can be corrected during Custom Cataract Surgery using a multifocal or presbyopia-correcting IOL.
Another type of premium lens available is a Toric (monofocal) IOL that can correct astigmatism.
Astigmatism is caused by the cornea being shaped more like a football than a basketball, which results in images focusing at different points in the retina. As everyone’s eyes vary, you will need to meet with your ophthalmologist to determine if one of these premium lenses can help reduce or eliminate your dependency on glasses after your cataract surgery.
No,anesthesia is given during the surgery so that you don’t experience any kind of pain .
Most people with allergies can successfully wear contact lenses. With the right choice of lenses, and, where necessary, appropriate medication, all but the most severely affected can continue to wear their lenses. Daily disposable soft lenses have been shown to be effective for those suffering from seasonal allergies such as hay fever.
Contact lenses are not contraindicated in most cases of dry eye and can be worn successfully even in challenging environments. Ask us for advice on lens types and alleviating dryness, and check before using any eye drops or dry eye preparations.
No. Daily disposable are designed only for single-use and must be discarded after each wear. These lenses should be used strictly on a daily wear basis and are not intended or approved for re-use or for overnight wear. Daily disposables have a low risk of problems when used correctly.
No. Comfort and performance will be affected if you extend the life of your lenses beyond the recommended replacement interval. Wearing dirty or damaged lenses can put your eye health at risk. Always follow the wearing schedule and replacement frequency recommended for your lenses by doctor.
Only lenses approved for overnight use ('extended' or 'continuous' wear lenses) can be worn during sleep and then only on the advice of your contact lens practitioner. Sleeping in contact lenses increases the risk of eye infection irrespective of lens type. Avoid sleeping in extended wear lenses if you are unwell.
Yes, but you may find there are other occasions when you'd prefer not to wear glasses, such as for going out or playing sport. However often you wear contact lenses you must take the same care of your eyes and the lenses as you would wearing them every day.
You can get contact lenses that change the colour of your eyes rather than correct your eyesight. It's in your best interest to have a proper fitting .You'll need to take the same degree of care when wearing these lenses as with any other lenses and follow the recommended care procedures.
The professional advice for contact lens wearers is to not wear contact lenses for swimming – or in hot tubs or whilst showering or participating in water sports – unless wearing tight-fitting goggles over the top. After swimming – or if lenses are removed and stored whilst swimming – contact lenses should be cleaned and disinfected in fresh solution before putting them back on the eyes.
The recommendation is that regular swimmers get advice from doctor about being fitted with daily disposable lenses for use with goggles whilst swimming. Wearers of daily disposable contact lenses should always discard them immediately after swimming.
Make sure you take all the contact lenses you need with you, including spare lenses, as well as your storage case and solutions if you have re-usable lenses. Daily disposables can be useful when travelling in difficult or unhygienic conditions or lenses that allow flexible wearing times may be appropriate.
No. Never allow tap water, or any other type of water, to come into contact with your lenses or lens case whatever type of lens you use. You should also dry your hands thoroughly after washing and before handling your lenses.
No .it’s advisable to avoid water or any kind of solution,soap in contact with your lens. This can lead to infection.
Take the lens out of the storage case or packaging and hold it on the tip of your dry finger. If the lens turns slightly in at the edges it's the correct way around – if the edges turn slightly out and the lens looks unusually flat it's inside out.
Some lenses have inside-out indicators to help you. A lens that's inside out will generally feel slightly uncomfortable on the eye or will move more than usual.
Generally it's best to avoid putting kajal or eyeliner on the inner rim of the eyelids since this can make the lens dirty. Remember to apply your lenses before putting on make-up and remove lenses then remove make-up.
You should also avoid any contact between the lenses and lotions or creams. Don't forget to check the expiry date on your cosmetics and discard them as directed.
To get the best out of your lenses it's important to use the solutions recommended for your particular lens type and to follow the instructions carefully.
No. Different solutions contain different ingredients and may require different steps to be effective..
Once in a year is advisable to visit CL clinic .if there is any problem with CL , or you need new CL pack can contact CL clinic for information and help. Purchasing CL on own is not advisable.